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Codec: avc1.4d0815

3.96% Encoder Support
12,668 of 320,049 sessions supported encoding
99.93% Decoder Support
268,820 of 268,995 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,049 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 11 / 144,032 0.17% 33 / 19,877 — 0.02% 11 / 63,443 0.35% 27 / 7,791
SafariSafari
 — 2.17% 186 / 8,559 1.44% 447 / 30,980 — —
EdgeEdge
 0.0% 1 / 30,792 0.0% 0 / 366 — 0.0% 0 / 962 0.0% 0 / 63
FirefoxFirefox
 95.98% 9,352 / 9,744 99.92% 1,326 / 1,327 — 0.0% 0 / 29 98.59% 1,259 / 1,277

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,995 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,608 / 121,637 99.89% 16,130 / 16,148 — 99.98% 53,518 / 53,527 98.98% 6,528 / 6,595
SafariSafari
 — 99.89% 7,196 / 7,204 99.97% 25,361 / 25,369 — —
EdgeEdge
 100.0% 26,790 / 26,790 100.0% 328 / 328 — 100.0% 872 / 872 100.0% 56 / 56
FirefoxFirefox
 100.0% 7,930 / 7,930 100.0% 1,091 / 1,091 — 0.0% 0 / 16 99.24% 1,051 / 1,059